Defines the view frustum. That's the space visible by the camera. More...
#include <SViewFrustum.h>
Defines the view frustum. That's the space visible by the camera.
The view frustum is enclosed by 6 planes. These six planes share eight points. A bounding box around these eight points is also stored in this structure.
Definition at line 25 of file SViewFrustum.h.
Definition at line 27 of file SViewFrustum.h.
irr::scene::SViewFrustum::SViewFrustum | ( | ) | [inline] |
Default Constructor.
Definition at line 48 of file SViewFrustum.h.
irr::scene::SViewFrustum::SViewFrustum | ( | const SViewFrustum & | other | ) | [inline] |
Copy Constructor.
Copy constructor ViewFrustum
Definition at line 129 of file SViewFrustum.h.
References boundingBox, cameraPosition, planes, and VF_PLANE_COUNT.
irr::scene::SViewFrustum::SViewFrustum | ( | const core::matrix4 & | mat | ) | [inline] |
This constructor creates a view frustum based on a projection and/or view matrix.
Definition at line 142 of file SViewFrustum.h.
References setFrom().
bool irr::scene::SViewFrustum::clipLine | ( | core::line3d< f32 > & | line | ) | const [inline] |
clips a line to the view frustum.
Clips a line to the frustum.
Definition at line 344 of file SViewFrustum.h.
References irr::core::line3d< T >::end, irr::core::plane3d< T >::getKnownIntersectionWithLine(), irr::core::ISREL3D_FRONT, planes, irr::core::line3d< T >::start, and VF_PLANE_COUNT.
const core::aabbox3d< f32 > & irr::scene::SViewFrustum::getBoundingBox | ( | ) | const [inline] |
returns a bounding box enclosing the whole view frustum
Definition at line 238 of file SViewFrustum.h.
References boundingBox.
core::vector3df irr::scene::SViewFrustum::getFarLeftDown | ( | ) | const [inline] |
returns the point which is on the far left bottom corner inside the the view frustum.
Definition at line 168 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_BOTTOM_PLANE, VF_FAR_PLANE, and VF_LEFT_PLANE.
Referenced by recalculateBoundingBox().
core::vector3df irr::scene::SViewFrustum::getFarLeftUp | ( | ) | const [inline] |
returns the point which is on the far left upper corner inside the the view frustum.
Definition at line 158 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_FAR_PLANE, VF_LEFT_PLANE, and VF_TOP_PLANE.
Referenced by recalculateBoundingBox().
core::vector3df irr::scene::SViewFrustum::getFarRightDown | ( | ) | const [inline] |
returns the point which is on the far right bottom corner inside the the view frustum.
Definition at line 188 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_BOTTOM_PLANE, VF_FAR_PLANE, and VF_RIGHT_PLANE.
Referenced by recalculateBoundingBox().
core::vector3df irr::scene::SViewFrustum::getFarRightUp | ( | ) | const [inline] |
returns the point which is on the far right top corner inside the the view frustum.
Definition at line 178 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_FAR_PLANE, VF_RIGHT_PLANE, and VF_TOP_PLANE.
Referenced by recalculateBoundingBox().
core::vector3df irr::scene::SViewFrustum::getNearLeftDown | ( | ) | const [inline] |
returns the point which is on the near left bottom corner inside the the view frustum.
Definition at line 208 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_BOTTOM_PLANE, VF_LEFT_PLANE, and VF_NEAR_PLANE.
core::vector3df irr::scene::SViewFrustum::getNearLeftUp | ( | ) | const [inline] |
returns the point which is on the near left upper corner inside the the view frustum.
Definition at line 198 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_LEFT_PLANE, VF_NEAR_PLANE, and VF_TOP_PLANE.
core::vector3df irr::scene::SViewFrustum::getNearRightDown | ( | ) | const [inline] |
returns the point which is on the near right bottom corner inside the the view frustum.
Definition at line 228 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_BOTTOM_PLANE, VF_NEAR_PLANE, and VF_RIGHT_PLANE.
core::vector3df irr::scene::SViewFrustum::getNearRightUp | ( | ) | const [inline] |
returns the point which is on the near right top corner inside the the view frustum.
Definition at line 218 of file SViewFrustum.h.
References irr::core::plane3d< T >::getIntersectionWithPlanes(), planes, VF_NEAR_PLANE, VF_RIGHT_PLANE, and VF_TOP_PLANE.
core::matrix4 & irr::scene::SViewFrustum::getTransform | ( | video::E_TRANSFORMATION_STATE | state | ) | [inline] |
get the given state's matrix based on frustum E_TRANSFORMATION_STATE
View Frustum depends on Projection & View Matrix
Definition at line 310 of file SViewFrustum.h.
References irr::video::ETS_PROJECTION, and irr::video::ETS_VIEW.
const core::matrix4 & irr::scene::SViewFrustum::getTransform | ( | video::E_TRANSFORMATION_STATE | state | ) | const [inline] |
get the given state's matrix based on frustum E_TRANSFORMATION_STATE
View Frustum depends on Projection & View Matrix
Definition at line 328 of file SViewFrustum.h.
References irr::video::ETS_PROJECTION, and irr::video::ETS_VIEW.
void irr::scene::SViewFrustum::recalculateBoundingBox | ( | ) | [inline] |
recalculates the bounding box member based on the planes
Definition at line 243 of file SViewFrustum.h.
References irr::core::aabbox3d< T >::addInternalPoint(), boundingBox, cameraPosition, getFarLeftDown(), getFarLeftUp(), getFarRightDown(), getFarRightUp(), and irr::core::aabbox3d< T >::reset().
Referenced by setFrom(), and transform().
void irr::scene::SViewFrustum::setFrom | ( | const core::matrix4 & | mat | ) | [inline] |
This constructor creates a view frustum based on a projection and/or view matrix.
Definition at line 255 of file SViewFrustum.h.
References irr::core::plane3d< T >::D, irr::core::plane3d< T >::Normal, planes, recalculateBoundingBox(), irr::core::reciprocal_squareroot(), VF_BOTTOM_PLANE, VF_FAR_PLANE, VF_LEFT_PLANE, VF_NEAR_PLANE, VF_PLANE_COUNT, VF_RIGHT_PLANE, and VF_TOP_PLANE.
Referenced by SViewFrustum().
void irr::scene::SViewFrustum::transform | ( | const core::matrix4 & | mat | ) | [inline] |
transforms the frustum by the matrix
mat,: | Matrix by which the view frustum is transformed. |
Definition at line 148 of file SViewFrustum.h.
References cameraPosition, planes, recalculateBoundingBox(), irr::core::CMatrix4< T >::transformPlane(), irr::core::CMatrix4< T >::transformVect(), and VF_PLANE_COUNT.
bounding box around the view frustum
Definition at line 110 of file SViewFrustum.h.
Referenced by getBoundingBox(), recalculateBoundingBox(), and SViewFrustum().
the position of the camera
Definition at line 104 of file SViewFrustum.h.
Referenced by recalculateBoundingBox(), SViewFrustum(), and transform().
core::plane3d<f32> irr::scene::SViewFrustum::planes[VF_PLANE_COUNT] |
all planes enclosing the view frustum.
Definition at line 107 of file SViewFrustum.h.
Referenced by clipLine(), getFarLeftDown(), getFarLeftUp(), getFarRightDown(), getFarRightUp(), getNearLeftDown(), getNearLeftUp(), getNearRightDown(), getNearRightUp(), setFrom(), SViewFrustum(), and transform().